package com.csdj.server.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.*;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spi.service.contexts.SecurityContext;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

import java.util.ArrayList;
import java.util.List;

/**
 * @Author zyq
 * @Date 2022/12/14 11:45
 * @ClassName: Swagger2Config
 * @Description: swagger2 配置类
 * @Version 1.0
 */
@Configuration
@EnableSwagger2
public class Swagger2Config {
    @Bean
    public Docket createRestApi() {
        return new Docket(DocumentationType.SWAGGER_2)
                .apiInfo(apiInfo())
                .select()
                //为当前包下的controller生成api文档
                .apis(RequestHandlerSelectors.basePackage("com.csdj.server.controller"))
                .paths(PathSelectors.any())
                .build()
                .securitySchemes(securitySchemes())
                .securityContexts(securityContexts());
    }

    private List<SecurityContext> securityContexts() {
        List<SecurityContext> result=new ArrayList<>();
        result.add(getContextsPath("/hello/.*"));
        return result;
    }

    private SecurityContext getContextsPath(String path) {
         //构建 访问 全局security的地址
        return SecurityContext.builder()
                .securityReferences(defaultAuth())
                .forPaths(PathSelectors.regex(path))
                .build();
    }

    /**
     * 获取 授权信息
     * @return
     */
    private List<SecurityReference> defaultAuth() {

        List<SecurityReference> referenceList=new ArrayList<>();
        //创建 全局的 授权 信息
        AuthorizationScope authorizationScope = new AuthorizationScope("global",
                "accessEverything");
        AuthorizationScope[] authorizationScopes=new AuthorizationScope[1];
        authorizationScopes[0]=authorizationScope;
        referenceList.add(new SecurityReference("Authorization",
                authorizationScopes));
        return referenceList;
    }


    /**
     * 存储 获取到的 apiKey token
     * @return
     */
    private List<ApiKey> securitySchemes() {

        List<ApiKey> result=new ArrayList<>();
        ApiKey apiKey=new ApiKey("Authorization",
                "Authorization","header");
        result.add(apiKey);
        return result;
    }

    private ApiInfo apiInfo() {
        //设置文档信息
        return new ApiInfoBuilder()
                .title("云E办接口文档")
                .description("云E办接口文档")
                .contact(new Contact("zyq", "http:localhost:8081/doc.html",
                        "2830264589@qq.com"))
                .version("1.0")
                .build();
    }

}
